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  #21  
Old 08-28-2009, 05:34 AM
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I got the "speed" tacking down.I can run a flat seam like that in about a minute.
When it come to my Baby though, this is where I take my time.
When I'm done tacking as you mentioned, the tacks are almost perfect.
Of course they still need to be planished slightly before welding to have both sides dead flush.

I used a Sharpie to draw a line on the panels shown. I had passed a grinder across any lumpy tacks and the seam blended right in making it almost impossible for the old eyes to see. Same idea as scribing it.


That pen is kinda neat after I see the little wheely thing.

We're about on the same page her, except I'll use filler rod every time.

Thanks,
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  #22  
Old 08-28-2009, 01:40 PM
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Hi Guy's sorry to keep the off topic bit going but i will shut up after this post . John I guess it's horse's for course's the pen looks neat i didn't see the little roller , i guess for me i would preffer to hold any filler in my fingers . As for the tacking this is just me but i guess i'm at the same sort of speed as you guy's my main thing is i like tacks to be just that , holding the two parts together but not that strong that if you have to break them that you do loads of damage to your two parts , as such i would normally go light on the current this also puts less heat in to start so less adjusting as you tack up .

Just the simple thoughts of a simple man.

Cheers Chris

Hope all have a good weekend.
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  #23  
Old 08-28-2009, 02:07 PM
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The high heat for tacking doesn't necessarily mean you are making a stronger or hotter tack.
We tack 18 ga. stainless at 150 amps here at work.
What happens is an instant burst of heat that completes the tack in a split second.
Our tacks at that amperage come out yellow in colour.
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  #24  
Old 08-28-2009, 04:13 PM
John Buchtenkirch John Buchtenkirch is online now
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Hi Guy's sorry to keep the off topic bit going but i will shut up after this post . John I guess it's horse's for course's the pen looks neat i didn't see the little roller , i guess for me i would preffer to hold any filler in my fingers . As for the tacking this is just me but i guess i'm at the same sort of speed as you guy's my main thing is i like tacks to be just that , holding the two parts together but not that strong that if you have to break them that you do loads of damage to your two parts , as such i would normally go light on the current this also puts less heat in to start so less adjusting as you tack up . ~ Chris
> >
Chris, you are kinda of missing the point on the tig pen, I use it because I can then feed 2 to 4 foot lengths of slightly curved mig wire that I pirate from my mig welder. There are 2 advantages or reasons for doing this. Mig wire has the most cleaner in it so just a few drops kill any annoying pin holes that may pop up when Iím trying to run continues fusion welds. Also I can get mig wire in smaller diameters than tig wire so when I do add wire I have less bead build up and the smaller wire melts instantly. Ideally I would like to run a small consistent fusion weld that would planish out perfectly in one or two passes thru my CP pneumatic planishing hammer. In reality with starts & stops and adding wire for pin holes and less than perfect fits and my mistakes itís never that perfect but I find the smaller mig wire helps me. Itís very hard to feed curved mig wire by hand at least for me.>>
As far as the tacks go thatís an American dime (17.5 mm in diameter) laying on the panel, not a silver dollar. If your tacks are much smaller please post some photos, I donít claim to be the best tig welder in the group and am always willing to learn. Finally my tig welder doesnít have a spot timer on it, iím kind of timing it by banging down the foot pedal and instantly releasing it, the size of the HAZ around my tacks isnít perfectly consistent but not horrible either. If you think itís a big advantage I will look into the cost of adding one. Thanks ~ John Buchtenkirch >>
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  #25  
Old 08-29-2009, 10:58 AM
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John, where did you get your pen and can it hold .023 wire?

Thanks
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  #26  
Old 08-29-2009, 01:24 PM
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Marty, Google TIG Pen and you'll find lots of hits. I'd bet Dutch's lunch that Brown and Randall can get you one. All the ones I just looked at only go down to .030 though.

Here is one link:

http://store.weldingdepot.com/cgi/we...ot/TP1550.html

Cheap enought at less than 30 bucks.
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  #27  
Old 08-29-2009, 05:29 PM
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Kerry, good thing you didnt bet ME lunch, dad doesnt eat much.

I have asked them before, but it was never ordered. SO, when John posted his, i was interested about the .023 factor.

Thanks for the link.

Marty
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  #28  
Old 08-31-2009, 02:57 PM
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hi all lets drop the off topic bit , as we have total hijacked Pugsy's top notch build .I will start a new thread on the tacking debate in a few days , work load is a bit heavy at to momment but will do something and post pic's later in the week.Where have the pics gone just getting the dreaded red x's
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Last edited by Chris Bspoke; 08-31-2009 at 03:33 PM.
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  #29  
Old 08-31-2009, 06:33 PM
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Pics are gone as I've got them hosted at MM and their site seems to be down.

I will add to my photo gallery and post again.

I edited my first post.
Are the pics showing up?

Thanks,
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  #30  
Old 08-31-2009, 06:38 PM
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Quote:
Originally Posted by 123pugsy View Post
Pics are gone as I've got them hosted at MM and their site seems to be down.

I will add to my photo gallery and post again.

I edited my first post.
Are the pics showing up?

Thanks,
I can see the new photos in your first post. Ain't the internet grand?
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